A Magnetic Window Antenna Based on Artificial Electromagnetic Structure

The problem of the communication blackout when aircraft passing through the atmosphere is still worth further study. Based on the artificial electromagnetic structure which can excite the near-field magnetic field, a novel righthand circularly polarized magnetic window antenna is proposed. In the case of 0.5 T magnetic field, the attenuation is reduced to 14.0 dB through the plasma with a density magnitude of 10 ¹¹ cm ⁻³ . The results show that this approach can significantly improve the communication effectiveness when encountering the blackout caused by the plasma.